Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

A cluster of granite granaries perched on stilts.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

A small Portuguese cottage formed between boulders in the countryside.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A site of pagan worship which still attracts people looking for fairies.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A subterranean playground in an abandoned slate mine.

Created hundreds of years ago, the magical follies and landscapes at this park were almost lost to time before being restored.

A unique waterfall that some believe attracts the fairfolk.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A modern English garden of eccentric beasts, follies, and oddities.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".